ES2072965T3 - Procedimiento para el blanqueo enzimatico de celulosa. - Google Patents

Procedimiento para el blanqueo enzimatico de celulosa.

Info

Publication number
ES2072965T3
ES2072965T3 ES90125380T ES90125380T ES2072965T3 ES 2072965 T3 ES2072965 T3 ES 2072965T3 ES 90125380 T ES90125380 T ES 90125380T ES 90125380 T ES90125380 T ES 90125380T ES 2072965 T3 ES2072965 T3 ES 2072965T3
Authority
ES
Spain
Prior art keywords
addition
cellulose
procedure
bleaching
enzymatic bleaching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES90125380T
Other languages
English (en)
Inventor
Hans-Peter Dr Call
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lignozym GmbH
Original Assignee
Lignozym GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lignozym GmbH filed Critical Lignozym GmbH
Application granted granted Critical
Publication of ES2072965T3 publication Critical patent/ES2072965T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • D21C9/1089—Bleaching ; Apparatus therefor with reducing compounds with dithionites
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)

Abstract

EL DISPOSITIVO TRATA DE UN PROCEDIMIENTO PARA EL BLANQUEO ENZIMATICO DE CELULOSAS EN EL CUAL A) SE AJUSTA UN POTENCIAL REDOX ENTRE 200 Y 500 MV BAJO UNA DOSIFICACION QUE SE PRODUCE AL MISMO TIEMPO DE AGENTES DE OXIDACION Y REDUCCION Y ADITAMENTOS DE SALES E IMAGENES COMPLEJAS QUE SE CONVIERTEN EN UNA SOLUCION DE CONTENIDO DE CELULOSA Y ACUOSA, B) COMIENZAN POR ADITAMENTOS DE UNA REACCION DE BLANQUEO ENZIMATICA Y LIGNOLITICA, C) LA REACCION SE MANTIENE BAJO UNA CONSTANTE AGITACION ENTRE 15 MINUTOS Y 12 HORAS.
ES90125380T 1990-03-20 1990-12-22 Procedimiento para el blanqueo enzimatico de celulosa. Expired - Lifetime ES2072965T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4008893A DE4008893A1 (de) 1990-03-20 1990-03-20 Verfahren zum enzymatischen bleichen von zellstoffen

Publications (1)

Publication Number Publication Date
ES2072965T3 true ES2072965T3 (es) 1995-08-01

Family

ID=6402620

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90125380T Expired - Lifetime ES2072965T3 (es) 1990-03-20 1990-12-22 Procedimiento para el blanqueo enzimatico de celulosa.

Country Status (13)

Country Link
EP (1) EP0447673B1 (es)
JP (1) JPH05505857A (es)
AT (1) ATE119593T1 (es)
AU (1) AU641494B2 (es)
BR (1) BR9106411A (es)
CA (1) CA2078345A1 (es)
DE (2) DE4008893A1 (es)
DK (1) DK0447673T3 (es)
ES (1) ES2072965T3 (es)
FI (1) FI924169A (es)
HU (1) HUT64119A (es)
NO (1) NO180388C (es)
WO (1) WO1991014823A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137761A1 (de) * 1991-05-17 1992-11-19 Call Hans Peter Verfahren zur delignifizierung von lignocellulosehaltigem material, bleiche und behandlung von abwaessern mittels laccasen mit erweiteter wirksamkeit
FI914780A0 (fi) * 1991-10-10 1991-10-10 Valtion Teknillinen Foerfarande foer entsymatisk behandling av lignocellulosahaltiga material, i synnerhet cellulosamassor.
CA2115881C (en) * 1993-02-25 2000-05-23 Michael G. Paice Non-chlorine bleaching of kraft pulp
ATE169699T1 (de) * 1993-06-16 1998-08-15 Lignozym Gmbh Verfahren zur veränderung, abbau oder bleichen von lignin, ligninhaltigen materialien oder kohle
BE1007272A3 (fr) * 1993-07-15 1995-05-09 Solvay Procede pour le blanchiment d'une pate a papier.
EP0652321B1 (en) * 1993-11-04 1998-01-21 Morton International, Inc. Chemical pulp bleaching
DE19820947B4 (de) * 1997-05-12 2005-12-01 Call, Krimhild Enzymatisches Bleichsystem mit neuen enzymwirkungsverstärkenden Verbindungen zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder Verändern oder Abbau von Kohle sowie Verfahren unter Verwendung des Bleichsystems
EP1025305B1 (en) * 1997-08-14 2003-11-19 Takashi Watanabe Chemical method for lignin depolymerization
AU3401799A (en) * 1998-04-16 1999-11-08 Pulp And Paper Research Institute Of Canada Oxidase process for pulp and dye oxidation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3110117C2 (de) * 1981-03-16 1983-09-29 Adolf 5340 St. Gilgen Basler Herstellung von Cellulose aus Holz oder anderen lignocellulosehaltigen Pflanzen durch mikrobiellen Abbau der Lignocellulose
US4687741A (en) * 1985-07-15 1987-08-18 Repligen Corporation Novel enzymes which catalyze the degradation and modification of lignin
US4690895A (en) * 1985-07-15 1987-09-01 Repligen Corporation Use of rLDM™ 1-6 and other ligninolytic enzymes in the bleaching of kraft pulp
US4692413A (en) * 1985-07-15 1987-09-08 Repligen Corporation Use of rLDM™ 1-6 and other ligninolytic enzymes for the decolorization of E1 effluent
DE3636208A1 (de) * 1986-10-24 1988-05-05 Call Hans Peter Verfahren zur delignifizierung und bleichung von lignicellulosehaltigem bzw. ligninhaltigem material bzw. lignin durch enzymatische behandlung
ZA894239B (en) * 1988-06-08 1990-03-28 Int Paper Co Enzymatic delignification of lignocellulosic material

Also Published As

Publication number Publication date
HU9202982D0 (en) 1993-01-28
BR9106411A (pt) 1993-05-04
JPH05505857A (ja) 1993-08-26
CA2078345A1 (en) 1991-09-21
EP0447673A1 (de) 1991-09-25
AU641494B2 (en) 1993-09-23
DE4008893A1 (de) 1991-09-26
FI924169A0 (fi) 1992-09-17
NO923601L (no) 1992-09-16
AU7543291A (en) 1991-10-21
HUT64119A (en) 1993-11-29
EP0447673B1 (de) 1995-03-08
NO180388B (no) 1996-12-30
DE4008893C2 (es) 1992-09-03
DK0447673T3 (da) 1995-07-24
FI924169A (fi) 1992-09-17
ATE119593T1 (de) 1995-03-15
DE59008655D1 (de) 1995-04-13
NO923601D0 (no) 1992-09-16
WO1991014823A1 (de) 1991-10-03
NO180388C (no) 1997-04-09

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